决明属牧草60Co-γ射线辐射后代的若干特性研究

Scientia Agricultura Sinica ›› 2005, Vol. 38 ›› Issue (12): 2566-2570 .

• RESEARCH NOTES • Previous Articles Next Articles

Study on Several Characters of Chamaecrista spp. Irradiated by 60Co -γ

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Received:2005-05-30 Revised:1900-01-01 Online:2005-12-10 Published:2005-12-10

Abstract

Abstract: The seeds of five Chamaecrista spp. pasturages were irradiated by 60Co-γ. Based on the observations of M1, M2, M3 generation in fiel experiment, five plants with bigger variations in agronomic character were elected for pot experiment M4. The results showed that there were some differences in agronomic characters among the five cultivars and their parents without irradiation. The biomass of 2219, 86134 and 92985 after irradiation increased by 10.4%, 42.8% and 20.74%, respectively. The nutrient elements of plants also changed greatly. On the basis of analysis by using random amplified polymorphic DNA (RAPD) markers, it was found that there were obvious differences in DNA fingerprinting between the progenies after irradiation by 60Co-γ and their parents.

Key words: Irradiation, Chammaecrista, Pasturage, RAPD analysis

,,,,. Study on Several Characters of Chamaecrista spp. Irradiated by 60Co -γ[J].Scientia Agricultura Sinica, 2005, 38(12): 2566-2570 .

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